Troubleshooting

70 RENR2696-01
Troubleshooting Section
System Response:
The ECM will log the diagnostic code. The diagnostic
code may be viewed on the electronic service tool.
The ECM flags c
oolant temperature as invalid data
and a default value is used.
Possible Perf
ormance Effect:
Engine misfires
Low power
Reduced engin
e speed (rpm)
Poor cold starting
Troubleshooting:
Further troub
leshooting is required.
Perform the following diagnostic procedure: “Engine
Temperature
Sensor Open/Short Circuit - Test”
Results:
OK STOP.
i01798153
CID 0110 FMI 04 Engine
Coolant Tem perature Sensor
Shorted Low
Conditions Which Generate This Code:
The Electro
nic Control Module (ECM) detects all of
the following conditions:
The ECM re ad
s signal voltage that is below normal.
The ECM has been powered for at least three
seconds.
System Response:
The ECM will log the diagnostic code. The diagnostic
code may be viewed on the electronic service tool.
The ECM flag
s coolant temperature as invalid data
and a default value is used.
Possible P
erformance Effect:
Engine misfires
Low power
Reduced engine speed (rpm)
Poor cold starting
Troubleshooti
ng:
Further troubleshooting is required.
Perform the following diagnostic procedure: Engine
Temperature Sensor Open/Short Circuit - Test”
Results:
OK STOP.
i01798154
CID 017 4 FMI 02
Fuel
Temperature Sensor Erratic,
Intermittent
Conditions W
hich Generate This Code:
Note: If both of the following diagnostic codes are
active, then
the fuel injection pump has suffered a
complete failure of the electrical supply:
174-02
342-02
Both of the diagnostic codes will be active if there has
been a communication fault between the Electronic
Control Mod
ule (ECM) and the CAN Data Link for the
fuel injection pump. When only one of the diagnostic
codes is active there is not a fault with the electrical
supply for t
he fuel injection pump.
If the ECM has detected 174-02 only, then one of the
following c
onditions has been detected:
The fuel temperature signal is erratic.
Fuel temperature that is intermittent.
System Resp
onse:
The ECM will log the diagnostic code. The diagnostic
code may be
viewed on the electronic service tool.
The ECM logs the diagnostic code only if the engine
is running.
Possible Pe rformance Effect:
The engine
may shut down.
The engine will have low power.